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Symmetry, Volume 8, Issue 7

2016 July - 17 articles

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Articles (17)

  • Article
  • Open Access
3 Citations
6,352 Views
18 Pages

Adaptive Image Matching Using Discrimination of Deformable Objects

  • Insu Won,
  • Jaehyup Jeong,
  • Hunjun Yang,
  • Jangwoo Kwon and
  • Dongseok Jeong

21 July 2016

We propose an efficient image-matching method for deformable-object image matching using discrimination of deformable objects and geometric similarity clustering between feature-matching pairs. A deformable transformation maintains a particular form...

(This article belongs to the Special Issue Symmetry in Systems Design and Analysis)
  • Article
  • Open Access
11 Citations
5,843 Views
12 Pages

21 July 2016

Deduplication is an efficient data reduction technique, and it is used to mitigate the problem of huge data volume in big data storage systems. Content defined chunking (CDC) is the most widely used algorithm in deduplication systems. The expected ch...

(This article belongs to the Special Issue Scientific Programming in Practical Symmetric Big Data)
  • Article
  • Open Access
11 Citations
9,945 Views
14 Pages

20 July 2016

An efficient surface area evaluation method is introduced by using smooth surface reconstruction for three-dimensional scanned human body data. Surface area evaluations for various body parts are compared with the results from the traditional alginat...

(This article belongs to the Special Issue Symmetry in Complex Networks II)
  • Article
  • Open Access
29 Citations
12,856 Views
17 Pages

Relationship between Fractal Dimension and Spectral Scaling Decay Rate in Computer-Generated Fractals

  • Alexander J. Bies,
  • Cooper R. Boydston,
  • Richard P. Taylor and
  • Margaret E. Sereno

19 July 2016

Two measures are commonly used to describe scale-invariant complexity in images: fractal dimension (D) and power spectrum decay rate (β). Although a relationship between these measures has been derived mathematically, empirical validation across meas...

(This article belongs to the Special Issue Symmetry in Vision)
  • Article
  • Open Access
18 Citations
7,065 Views
18 Pages

A Model-Driven Framework to Develop Personalized Health Monitoring

  • Algimantas Venčkauskas,
  • Vytautas Štuikys,
  • Jevgenijus Toldinas and
  • Nerijus Jusas

18 July 2016

Both distributed healthcare systems and the Internet of Things (IoT) are currently hot topics. The latter is a new computing paradigm to enable advanced capabilities in engineering various applications, including those for healthcare. For such system...

(This article belongs to the Special Issue Symmetry in Systems Design and Analysis)
  • Article
  • Open Access
18 Citations
5,365 Views
22 Pages

14 July 2016

The paper develops applications of symmetric orbit functions, known from irreducible representations of simple Lie groups, in numerical analysis. It is shown that these functions have remarkable properties which yield to cubature formulas, approximat...

(This article belongs to the Special Issue Symmetry in Orthogonal Polynomials)
  • Article
  • Open Access
14 Citations
6,381 Views
9 Pages

A Modified GrabCut Using a Clustering Technique to Reduce Image Noise

  • GangSeong Lee,
  • SangHun Lee,
  • GaOn Kim,
  • JongHun Park and
  • YoungSoo Park

14 July 2016

In this paper, a modified GrabCut algorithm is proposed using a clustering technique to reduce image noise. GrabCut is an image segmentation method based on GraphCut starting with a user-specified bounding box around the object to be segmented. In th...

(This article belongs to the Special Issue Symmetry in Complex Networks II)
  • Article
  • Open Access
5,156 Views
13 Pages

13 July 2016

Nowadays, several wireless location systems have been developed in the research world. The goal of these systems has always been to find the greatest accuracy as possible. However, if every node takes data from the environment, we can gather a lot of...

(This article belongs to the Special Issue Symmetry in Cooperative Applications)
  • Article
  • Open Access
35 Citations
7,466 Views
19 Pages

Image Region Duplication Forgery Detection Based on Angular Radial Partitioning and Harris Key-Points

  • Diaa M. Uliyan,
  • Hamid A. Jalab,
  • Ainuddin W. Abdul Wahab and
  • Somayeh Sadeghi

13 July 2016

Region duplication forgery where a part of the image itself is copied and pasted onto a different part of the same image grid is becoming more popular in image manipulation. The forgers often apply geometric transformations such as rotation and scali...

(This article belongs to the Special Issue Symmetry in Secure Cyber World)
  • Article
  • Open Access
13 Citations
5,128 Views
26 Pages

8 July 2016

We derive a Hamiltonian version of the PT -symmetric discrete nonlinear Schrödinger equation that describes synchronized dynamics of coupled pendula driven by a periodic movement of their common strings. In the limit of weak coupling between the...

(This article belongs to the Special Issue Parity-Time Symmetry in Optics and Photonics)
  • Article
  • Open Access
10 Citations
5,710 Views
12 Pages

8 July 2016

The band structure of strongly correlated two-dimensional (2D) semimetal systems is found to be significantly affected by the spin-orbit coupling (SOC), resulting in SOC-induced Fermi surfaces. Dirac, Weyl and Majorana representations are used for th...

(This article belongs to the Special Issue Harmonic Oscillators In Modern Physics)
  • Article
  • Open Access
7 Citations
5,936 Views
8 Pages

Power Spectral Deviation-Based Voice Activity Detection Incorporating Teager Energy for Speech Enhancement

  • Sang-Kyun Kim,
  • Sang-Ick Kang,
  • Young-Jin Park,
  • Sanghyuk Lee and
  • Sangmin Lee

6 July 2016

In this paper, we propose a robust voice activity detection (VAD) algorithm to effectively distinguish speech from non-speech in various noisy environments. The proposed VAD utilizes power spectral deviation (PSD), using Teager energy (TE) to provide...

(This article belongs to the Special Issue Symmetry in Systems Design and Analysis)
  • Article
  • Open Access
13 Citations
7,940 Views
26 Pages

Entangled Harmonic Oscillators and Space-Time Entanglement

  • Sibel Başkal,
  • Young S. Kim and
  • Marilyn E. Noz

28 June 2016

The mathematical basis for the Gaussian entanglement is discussed in detail, as well as its implications in the internal space-time structure of relativistic extended particles. It is shown that the Gaussian entanglement shares the same set of mathem...

(This article belongs to the Special Issue Harmonic Oscillators In Modern Physics)
  • Article
  • Open Access
15 Citations
6,297 Views
48 Pages

28 June 2016

Cosmic Dark Fluid is considered as a non-stationary medium, in which electromagnetic waves propagate, and magneto-electric field structures emerge and evolve. A medium-type representation of the Dark Fluid allows us to involve in its analysis the con...

(This article belongs to the Special Issue Symmetry: Feature Papers 2016)
  • Article
  • Open Access
7 Citations
5,461 Views
14 Pages

28 June 2016

In this paper, we investigated inflationary solutions for a subclass of Horndeski models where a scalar field is non-minimally coupled with the Gauss–Bonnet invariant. Examples of canonical scalar field and k-essence to support the early-time acceler...

(This article belongs to the Special Issue Symmetry: Feature Papers 2016)
  • Article
  • Open Access
9 Citations
4,036 Views
16 Pages

24 June 2016

Three new classes of N-body problems of goldfish type are identified, with N an arbitrary positive integer ( N 2 ). These models are characterized by nonlinear Newtonian (“accelerations equal forces”) equations of motion describing N equal po...

(This article belongs to the Special Issue Symmetry in Orthogonal Polynomials)
  • Article
  • Open Access
20 Citations
6,619 Views
19 Pages

Top-N Recommender Systems Using Genetic Algorithm-Based Visual-Clustering Methods

  • Ukrit Marung,
  • Nipon Theera-Umpon and
  • Sansanee Auephanwiriyakul

24 June 2016

The drastic increase of websites is one of the causes behind the recent information overload on the internet. A recommender system (RS) has been developed for helping users filter information. However, the cold-start and sparsity problems lead to low...

(This article belongs to the Special Issue Symmetry in Systems Design and Analysis)
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Symmetry - ISSN 2073-8994